Cologne weather in August
August in Cologne: warm, rainy — an excellent time to visit.
#3 of 12 months in Cologne · #108 of 604 destinations to visit in August · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Cologne climate normals — August
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 80 mm / 3.1 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 14.5 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 53 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cologne in August — FAQ
- Is August a good time to visit Cologne?
- August in Cologne: warm, rainy — an excellent time to visit. It ranks #3 of 12 months for Cologne on SeasonMap's comfort score (88/100).
- What is the weather like in Cologne in August?
- In August, Cologne averages a daily high of 24.2°C and a low of 15.5°C, with about 80 mm of rain over roughly 13.4 rainy days.
- What is the air quality in Cologne in August?
- Cologne has a mean US Air Quality Index of about 53 in August.